Electromagnetic Induction

1. Electromagnetic Induction Voltmeter - + Stationary N N S

2. Electromagnetic Induction Voltmeter - + Magnet is moved towards Coil N N S

3. Electromagnetic Induction Voltmeter - + Magnet moved towards Coil N N S A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

4. Electromagnetic Induction Voltmeter An Emf is induced. - A voltage or potential difference is Induced. - + Magnet moved towards Coil N N S A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

5. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic field Moved towards Coil N N S A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

6. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved towards Coil Thumb -Current Curled Fingers- Magnetic Field N N S A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

7. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved towards Coil Thumb -Current Curled Fingers- Magnetic Field N N S A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

8. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved towards Coil Thumb -Current Curled Fingers- Magnetic Field N N S Bulb lights A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

9. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved towards Coil Thumb -Current Curled Fingers- Magnetic Field N N S Bulb lights A current is generated that Induces a magnetic field that opposes the increase in magnetic field lines directed to west by the north pole of the bar magnet.

10. Electromagnetic Induction Voltmeter - + Stationary N N S

11. Electromagnetic Induction Voltmeter - + Magnet is away from Coil N N S

12. Electromagnetic Induction Voltmeter - + Magnet moved towards Coil N N S Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved to the right

13. Electromagnetic Induction Voltmeter An Emf is induced. - + Magnet moved away from coil N N S Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east

14. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic field Moved away from Coil N N S Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east

15. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved away from coil Thumb -Current Curled Fingers- Magnetic Field N N S Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east.

16. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved away from Coil Thumb -Current Curled Fingers- Magnetic Field N N S Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east.

17. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved away from coil Thumb -Current Curled Fingers- Magnetic Field N N S Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east.

18. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved away from coil Thumb -Current Curled Fingers- Magnetic Field N N S Bulb Lights Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east.

19. Electromagnetic Induction Voltmeter An Emf is induced. - + A current is induced in a direction consistent with the induced magnetic Field. Moved away from Coil Thumb -Current Curled Fingers- Magnetic Field N N S Bulb Lights Induced magnetic field opposes the decrease in magnetic field lines directed to west by the north pole of the bar magnet moved east.

20. Voltmeter Emf is induced - + Stationary . + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

21. Voltmeter Emf is induced - + Moved to left Current is induced that creates magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

22. Voltmeter Emf is induced - + Moved to left Current is induced that creates magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

23. Decrease of field lines on left side of moving bar Voltmeter Emf is induced - + Moved to left Current is induced that creates magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Induced magnetic field opposes decrease in magnetic field lines

24. Voltmeter Emf is induced - + Moved to left Current is induced that creates magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

25. Voltmeter Emf is induced - + Moved to left Current is induced that creates magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

26. Voltmeter Emf is induced - + Moved to left The current that is induced creates a magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

27. Voltmeter Emf is induced - + Moved to left The current that is induced creates a magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

28. Voltmeter Emf is induced - + Moved to left The current that is induced creates a magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Induced magnetic field opposes decrease in magnetic field lines

29. Voltmeter Emf is induced - + Moved to left The current that is induced creates a magnetic field which opposes decrease in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Decrease of field lines on left side of moving bar Bulb Lights Induced magnetic field opposes decrease in magnetic field lines

30. Voltmeter - + Stationary + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

31. Voltmeter - + Moved to right + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar

32. Voltmeter - + Moved to right + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Induced magnetic field opposes increase in magnetic field lines

33. Voltmeter - + Moved to right + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Induced magnetic field opposes increase in magnetic field lines

34. Voltmeter Emf is induced - + Moved to right + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Induced magnetic field opposes increase in magnetic field lines

35. Voltmeter Emf is induced - + Moved to right Current is induced that creates magnetic field which opposes increase in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Induced magnetic field opposes increase in magnetic field lines

36. Voltmeter Emf is induced - + Moved to right Current is induced that creates magnetic field which opposes increase in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Induced magnetic field opposes increase in magnetic field lines

37. Voltmeter Emf is induced - + Moved to right Current is induced that creates magnetic field which opposes increase in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Induced magnetic field opposes increase in magnetic field lines

38. Voltmeter Emf is induced - + Moved to right Current is induced that creates magnetic field which opposes increase in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Bulb lights Induced magnetic field opposes increase in magnetic field lines

39. Voltmeter Emf is induced - + Moved to right Current is induced that creates magnetic field which opposes increase in magnetic field lines into the paper. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + increase of the field lines into the paper on left side of moving bar Bulb lights Induced magnetic field opposes increase in magnetic field lines

40. Stationary + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

41. Pushed in + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

42. Pushed in • Decrease in the number of field lines Into the paper contained ine the loop + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

43. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

44. Induced current is clockwise + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

45. Induced current is clockwise • Induced current magnetic field opposes decrease in the field lines into the paper + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

46. Wire loop stretched out + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

47. Wire loop stretched out • There is an increase in the field lines into the paper inside the loop + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

48. Wire loop stretched out • There is an increase in the field lines into the paper inside the loop + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

49. Wire loops • Induced current produces magnetic field lines that oppose the increase in the number of field lines ino the paper + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

50. Wire loops • Induced current produces magnetic field lines that oppose the increase in the number of field lines into the paper + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +